Navigation device



FIG. 1 is a front isometric view of a navigation device according to thepresent invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a front isometric view thereof;

FIG. 10 is a rear perspective view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a rear elevational view thereof;

FIG. 15 is a right side elevational view thereof; and,

FIG. 16 is a left side elevational view thereof.

Portions of FIGS. 1 through 16 are shown in dashed lines forillustrative purposes only and form no part of the claimed design.

The ornamental design for a navigation device, as shown and described.